Text-to-Speech

Cartesia

standard

Cartesia is an reliable text-to-speech provider offering Speech Synthesis, Streaming TTS through Aweb's unified API. It features full streaming support with premium-tier latency.

Try CartesiaOfficial docs

Specifications

CategoryText-to-Speech
Auth Typeapi_key
Latency Tierpremium
Streamingfull
Pricing Tierstandard
Reliabilitypremium
Qualitypremium
Base URLhttps://api.cartesia.ai
SDK Package

Capabilities (2)

Speech Synthesistts.synthesize
Score: 88
Streaming TTStts.stream
Score: 90

Quick start

Use Cartesia through Alfred's unified API — no provider-specific SDK needed.

cURL

curl -X POST https://api.alfred-ai.app/v1/execute \
  -H "Authorization: Bearer $ALFRED_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "provider": "cartesia",
    "capability": "tts.synthesize",
    "input": { "prompt": "Hello from Cartesia!" }
  }'

TypeScript

import { Alfred } from '@alfred/core';

const alfred = new Alfred({ apiKey: process.env.ALFRED_API_KEY });

const result = await alfred.execute({
  provider: 'cartesia',
  capability: 'tts.synthesize',
  input: { prompt: 'Hello from Cartesia!' },
});

console.log(result.output);

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Getting started →API reference →All capabilities →All providers →